/**
 * Copyright 2023, SumUp Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

type FieldState = {
  disabled: boolean | undefined;
  invalid: boolean | undefined;
  hasWarning: boolean | undefined;
  showValid: boolean | undefined;
};

export function getFieldValidity(state: FieldState) {
  switch (true) {
    case state.disabled: {
      return null;
    }
    case state.invalid: {
      return 'invalid';
    }
    case state.hasWarning: {
      return 'warning';
    }
    case state.showValid: {
      return 'valid';
    }
    default: {
      return null;
    }
  }
}
